CN220551225U

CN220551225U - Vacuum water pump

Info

Publication number: CN220551225U
Application number: CN202322197236.6U
Authority: CN
Inventors: 陈俊平
Original assignee: Guangdong Hailea Group Co ltd
Current assignee: Guangdong Hailea Group Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-01
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to the technical field of vacuum pumps, in particular to a vacuum water pump which comprises a motor, a base, a shell and an upper cover, wherein a valve plate assembly is arranged between the upper cover and the shell; the valve block assembly comprises a first valve block, a valve block spacer and a second valve block which are sequentially overlapped, and the second valve block is covered on the leather cup; the valve plate comprises a first valve plate, a second valve plate and a valve plate partition, wherein a valve plate inlet and a valve plate outlet are formed in the first valve plate, an inlet through hole and an outlet through hole are formed in the valve plate partition, a valve plate through hole is formed in the second valve plate, a movable baffle is arranged in the valve plate through hole, the water inlet, the valve plate inlet and the inlet through hole are sequentially communicated to form a water inlet channel, the valve plate through hole, the outlet through hole, the valve plate outlet and the water outlet are sequentially communicated to form a water outlet channel, the water outlet channel is communicated with an air bag cavity of a leather cup, and the movable baffle can stir the water inlet channel to be separated from or communicated with the air bag cavity. The vacuum water pump is provided with the valve plate assembly in the limited inner space so as to increase the flow, thereby improving the working efficiency of the water pump.

Description

Vacuum water pump

Technical Field

The utility model relates to the technical field of vacuum pumps, in particular to a vacuum water pump.

Background

The vacuum pump is widely applied to small household appliances, and is generally provided with an inlet and an outlet, a mechanical device is arranged in a pump body, and the mechanical device repeatedly compresses and stretches a leather cup to continuously form negative pressure, so that positive pressure is formed at the outlet, and the circulation process of continuously entering and discharging fluid is achieved.

The existing vacuum pump is generally large in design volume, or pumping force of the same volume is relatively low, flow is small, and pumping efficiency is low due to difficulty in assembly. Therefore, the micro vacuum pump disclosed in the prior Chinese patent publication No. CN210195985U is improved, the micro vacuum pump comprises a motor, a base and an air bag seat, wherein a lower cover is arranged above the air bag seat, an upper cover is arranged on the lower cover, a sealing gasket is arranged between the base and the motor, an output end of the motor is connected with a rotating shaft through a coupling, an eccentric wheel is arranged on the rotating shaft in the base, an eccentric hole is formed in the upper surface of the eccentric wheel, the inside of the eccentric hole is movably fixed with a swing arm through a driving shaft, a sealing groove is formed in the edge of the base, a sealing ring is arranged in the sealing groove, an air suction air bag is arranged between the lower cover and the air bag seat, a one-way valve plate is arranged between the upper cover and the lower cover, the sealing gasket and the sealing ring are extruded when the sealing gasket and the sealing ring are fixed, so that the air chamber is tightly sealed by the sealing gasket, the sealing performance of the air chamber is ensured, the vacuum pump is prevented from working in the process, the negative pressure of the vacuum pump is improved, and accordingly better air is obtained. The improvement of the water pump is similar to the improvement of the water pump, the tightness and the suction force of the pump are improved to a certain extent, but the opening and the closing of the fluid channel are realized by only relying on the one-way valve plate, and the stability in the use process is slightly lacking.

As another example, the check valve type water pump disclosed in the prior Chinese patent publication No. CN219242185U is improved to be similar to the water pump, and comprises a first main body, a second main body and an air pressure driving device; the first main body is provided with a water inlet and a water outlet; a water inlet cavity and a water outlet cavity are arranged between the first main body and the second main body, the water inlet cavity is communicated with the water inlet, and the water outlet cavity is communicated with the water outlet; the second main body is provided with a water inlet through hole and a water outlet through hole; a circulation cavity is arranged between the second main body and the pneumatic driving device; the water inlet through hole penetrates through the water inlet cavity and the circulating cavity, the water outlet through hole penetrates through the water outlet cavity and the circulating cavity, and an umbrella-shaped check valve is movably arranged on the second main body; a one-way valve is arranged between the first main body and the second main body; the pneumatic driving device can actuate the umbrella-shaped check valve and the one-way valve; when water is fed, the umbrella-shaped check valve opens the water inlet through hole, the one-way valve seals the water outlet through hole, and water flows from the water inlet, the water inlet cavity and the water inlet through hole in sequence and flows into the circulation cavity; when water is discharged, the one-way valve opens the water outlet hole, the umbrella-shaped check valve seals the water inlet hole, and water flow is discharged from the water outlet through the water outlet hole and the water outlet cavity in sequence from the circulation cavity. However, since the umbrella-shaped check valve provided on the second body thereof and the one-way valve provided between the first body and the second body occupy a large space, the influence on the flow rate of the water pump is large, and the working efficiency is low.

Disclosure of Invention

The utility model provides a vacuum water pump with stable internal structure, which is characterized in that a valve plate assembly is arranged in a limited internal space to increase the flow, so that the working efficiency of the water pump is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the vacuum water pump comprises a motor, a base, a shell and an upper cover provided with a water inlet and a water outlet, wherein a swinging piece is arranged in the base, a leather cup is arranged in the shell, the motor is arranged below the base, an eccentric piece connected with the swinging piece is arranged on an output shaft of the motor, a connecting pin is arranged at the lower end of the leather cup and connected with the swinging piece, and a valve plate assembly is arranged between the upper cover and the shell; the valve block assembly comprises a first valve block, a valve block spacer and a second valve block which are sequentially stacked, and the second valve block is covered on the leather cup; the novel leather cup is characterized in that a valve block inlet and a valve block outlet are formed in the first valve block, an inlet through hole and an outlet through hole are formed in the valve block partition, a valve block through hole is formed in the second valve block, a movable baffle is arranged in the valve block through hole, the water inlet, the valve block inlet and the inlet through hole are sequentially communicated to form a water inlet channel, the valve block through hole, the outlet through hole, the valve block outlet and the water outlet are sequentially communicated to form a water outlet channel, the water outlet channel is communicated with an air bag cavity of the leather cup, and the movable baffle can stir to enable the water inlet channel to be separated from or communicated with the air bag cavity.

One of the improvements is that the body of the first valve plate and the body of the second valve plate are both in plane sheet structures.

The second improvement is that the shell is provided with a mounting hole, at least two first steps are arranged on the periphery of the upper end face of the shell, and a first clamping position is arranged between two adjacent first steps; the leather cup comprises an air bag cavity and the connecting pins arranged below the air bag cavity, the connecting pins penetrate through the mounting holes and are connected with the swinging piece, an extension piece is arranged at the periphery of the upper end of the air bag cavity, and the extension piece is just clamped on the first clamping position; the height of the first step is equal to the thickness of the extension piece.

The third improvement is that each first step is provided with a second step, the edge of the second valve plate is provided with a second clamping position, and the second clamping position is just clamped on the second step; the number of the second clamping bits is the same as that of the second steps.

In a fourth improvement, the height of the second step is larger than the thickness of the second valve plate, a third clamping position is arranged on the periphery of the lower end face of the valve plate partition, and the third clamping position is just clamped on the second step; the number of the third clamping bits is the same as that of the second steps.

Further, the projection area of the movable baffle is smaller than that of the valve plate through hole, and the movable baffle can be shifted downwards; when the movable baffle plate is shifted downwards, the water inlet channel is communicated with the air bag cavity; when the movable baffle is reset, the water inlet channel is separated from the air bag cavity, and the air bag cavity is kept communicated with the water outlet channel by the part of the valve plate through hole which is not blocked by the movable baffle.

Further, the valve plate outlet is in a strip shape, and the valve plate outlet and the outlet through hole on the valve plate partition are arranged in a staggered manner.

Preferably, the leather cup is provided with three air bag cavities, and the lower end of each air bag cavity is provided with the connecting pin.

Preferably, the upper cover, the shell and the base are fixedly connected through bolts.

Preferably, the first valve plate is provided with a connecting hole, and the bolt passes through the connecting hole to fix the first valve plate between the upper cover and the shell.

Compared with the prior art, the vacuum water pump has a simple and stable internal structure, the valve block assembly is arranged in a limited internal space and comprises the first valve block, the valve block partition and the second valve block which are sequentially stacked, and meanwhile, corresponding openings are formed in the valve block assembly to form a water inlet channel and a water outlet channel with a water inlet and a water outlet on the upper cover.

Drawings

Fig. 1 is a schematic diagram of a vacuum water pump according to an embodiment of the utility model.

Fig. 2 is an exploded view of a vacuum water pump according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a first valve plate of a vacuum pump according to an embodiment of the utility model.

Fig. 4 is a schematic view of a valve sheet spacer of a vacuum pump according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram of a second valve plate of the vacuum pump according to an embodiment of the utility model.

Fig. 6 is a schematic view of a housing of a vacuum water pump according to an embodiment of the utility model.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced in size and do not represent the actual product dimensions. It will be appreciated that, where the terms "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, it is merely for convenience in describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements in question must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the drawings are for illustration only and are not to be construed as limiting the patent. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. It will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

Fig. 1 to 4 show a first embodiment of the vacuum water pump of the present utility model. The vacuum water pump of this embodiment includes motor 10, base 20, casing 30, valve block subassembly 40 and upper cover 50, wherein, be equipped with water inlet 51 and delivery port 52 on the upper cover 50, be equipped with leather cup 60 in the casing 30, be equipped with swinging member 21 in the base 20, motor 10 sets up in the below of base 20, is provided with the eccentric member 11 of being connected with swinging member 21 on the output shaft of motor 10, and the lower extreme of leather cup 60 is equipped with connecting foot 61, and connecting foot 61 is connected with swinging member 21. In this embodiment, the valve block assembly 40 is disposed between the upper cover 50 and the housing 30, the valve block assembly 40 includes a first valve block 41, a valve block spacer 42 and a second valve block 43 that are sequentially stacked, and the second valve block 43 is covered on the cup 60; wherein, the first valve plate 41 is provided with a valve plate inlet 411 and a valve plate outlet 412, the valve plate partition member 42 is provided with an inlet through hole 421 and an outlet through hole 422, the second valve plate 43 is provided with a valve plate through hole 431, the valve plate through hole 431 is provided with a movable baffle 432, the water inlet 51, the valve plate inlet 411 and the inlet through hole 421 are sequentially communicated to form a water inlet channel, the valve plate through hole 431, the outlet through hole 422, the valve plate outlet 412 and the water outlet 52 are sequentially communicated to form a water outlet channel, the water outlet channel is communicated with the air chamber 62 of the leather cup 60, and the movable baffle 432 can stir to separate or communicate the water inlet channel with the air chamber 62.

In this embodiment, a cup 60 with three air chambers 62 is taken as an example, a connecting pin 61 is disposed at the lower end of each air chamber 62, and when the second valve plate 43 covers the cup 60, the valve plate through hole 431 is correspondingly disposed above the air chamber 62 of the cup 60. It will be appreciated that the valve plate through hole 431 on the second valve plate 43, the inlet through hole 421 and the outlet through hole 422 on the valve plate partition member 42, and the valve plate inlet 411 and the valve plate outlet 412 on the first valve plate 41 are in one-to-one correspondence in number, that is, three water inlet channels and three water outlet channels are formed in the vacuum water pump, and finally, the three water inlet channels and the three water outlet channels are together led to the water inlet 51 and the water outlet 52 on the upper cover 50.

When the vacuum water pump works, the motor 10 drives the eccentric part 11 to rotate so as to enable the swinging part 21 to move, and positive pressure and negative pressure are continuously generated in the air bag cavity 62 of the leather cup 60. When negative pressure is generated in the air sac cavity 62, the movable baffle 432 on the valve plate through hole 431 of the second valve plate 43 is shifted downwards, so that the air sac cavity 62 is communicated with the water inlet channel, and liquid enters at the moment; when positive pressure is generated in the air bag, the movable baffle 432 on the valve plate through hole 431 of the second valve plate 43 is reset upwards, so that the air bag cavity 62 is separated from the water inlet channel, at the moment, liquid is discharged through the water outlet channel, and the water pump continuously realizes the water absorption and drainage circulation process along with the rotation of the motor 10. The vacuum water pump of this embodiment has improved the check valve, set up valve block subassembly 40 in limited inner space, this valve block subassembly 40 is including first valve block 41, valve block separator 42 and the second valve block 43 that stacks gradually the setting, set up corresponding opening in order to form inlet channel and outlet channel with water inlet 51 and the delivery port 52 on upper cover 50 simultaneously on valve block subassembly 40, because the plane area of valve block subassembly 40 increases for corresponding opening also increases in step, has increased inlet channel and outlet channel's flow, thereby improved vacuum water pump's work efficiency, holistic structure is simpler and stable.

As a modification of the present embodiment, the body of the first valve sheet 41 and the body of the second valve sheet 43 are both planar sheet structures. Due to the design of the planar sheet structure, the space occupation volume is reduced, and the openings, namely the valve plate inlet 411 and the valve plate outlet 412 on the first valve plate 41, the inlet through hole 421 and the outlet through hole 422 on the valve plate partition member 42, and the valve plate through hole 431 on the second valve plate 43 are correspondingly enlarged, so that the flow in the water inlet channel and the water outlet channel is increased.

Example two

A second embodiment of the vacuum water pump of the present utility model is shown in fig. 1 to 4. As an improvement of the first embodiment, in the present embodiment, a mounting hole 31 is provided on the housing 30, at least two first steps 32 are provided on the periphery of the upper end surface of the housing 30, three air bag cavities 62 are provided according to the cup 60 in the first embodiment, in the present embodiment, three first steps 32 are provided, and a first clamping position 321 is provided between two adjacent first steps 32; the leather cup 60 comprises an air bag cavity 62 and a connecting pin 61 arranged below the air bag cavity 62, the connecting pin 61 passes through the mounting hole 31 and is connected with the swinging piece 21, an extension piece 621 is arranged at the periphery of the upper end of the air bag cavity 62, and the extension piece 621 is just clamped on the first clamping position 321 so as to further fix the position of the leather cup 60, thereby simplifying the mounting process; the height of the first step 32 is equal to the thickness of the extending piece 621, so that the second valve piece 43 can be attached to and cover the leather cup 60, and the overall tightness is improved.

As a further improvement, as shown in fig. 1 to 4, a second step 33 may be further disposed on each first step 32, and a second clamping position 433 is correspondingly disposed on the edge of the second valve plate 43, where the second clamping position 433 is just clamped on the second step 33, so that the assembly is more accurate and simple, and the overall tightness is further improved. The number of the second clamping positions 433 is the same as the number of the second steps 33. That is, in the present embodiment, the number of the second steps 33 and the number of the first steps 32 are three, and the second valve plates 43 are provided with three second clamping positions 433 corresponding to each other one by one.

Similarly, in order to further simplify the assembly process, the height of the second step 33 is set to be greater than the thickness of the second valve plate 43, and the third clamping positions 423 are provided on the periphery of the lower end surface of the valve plate spacer 42, and the third clamping positions 423 are just clamped on the second step 33, it is understood that the number of the third clamping positions 423 is the same as the number of the second steps 33. By adopting the structural design, the whole installation is more convenient and reliable.

Example III

A third embodiment of the vacuum water pump of the present utility model is shown in fig. 1 to 4. As a further improvement of the second embodiment, in the present embodiment, the projection area of the movable blocking piece 432 is smaller than the projection area of the valve plate through hole 431, and the movable blocking piece 432 can be shifted downwards. That is, the movable baffle 432 is not equal to the valve plate through hole 431 in size, but is free, so that the valve plate through hole 431 can be always communicated with the water outlet channel, and even in the process that the liquid enters the water inlet channel from the water inlet 51, the water outlet channel can be converted into the water inlet channel to increase the flow. When negative pressure is generated in the air bag cavity 62 of the leather cup 60, the movable baffle 432 is shifted downwards, at the moment, the water inlet channel is communicated with the air bag cavity 62, and liquid enters; when positive pressure is generated in the air bag, the movable baffle 432 is reset upwards, and as the second valve plate 43 is arranged below the valve plate partition member 42 in a stacked manner, the movable baffle 432 is clung to the inlet through hole 421 of the valve plate partition member 42 upwards, at the moment, the water inlet channel and the air bag cavity 62 are separated, and the part of the valve plate through hole 431, which is not blocked by the movable baffle 432, always enables the air bag cavity 62 to be communicated with the water outlet channel, and liquid is discharged. It is understood that the projected area of the inlet through hole 421 on the valve plate partition 42 should be smaller than the projected area of the movable barrier 432 to ensure that the movable barrier 432 closes the inlet through hole 421 when being reset. In addition, as shown in fig. 1 to 4, the valve plate outlet 412 on the first valve plate 41 is in a strip shape, and preferably, one end of the valve plate outlet 412 with three strip shapes is communicated, and the valve plate outlet 412 is arranged in a staggered manner with the outlet through hole 422 on the valve plate partition member 42, so that the outlet through hole 422 on the valve plate partition member 42 is in partial surface contact with the first valve plate 41, and when positive pressure is generated in the air bag of the leather cup 60, the liquid flow discharged by the water outlet channel can be further increased.

As an improvement to the above embodiment, in the vacuum water pump according to the embodiment of the present utility model, the upper cover 50, the housing 30 and the base 20 may be fixedly connected by bolts 70, and the installation is simple. As shown in fig. 1 to 4, the first valve plate 41 in the valve plate assembly 40 may further be provided with a connecting hole 413 directly corresponding to the edge (and may also be provided with a hole structure correspondingly on the edge of the valve plate spacer 42), and the bolt 70 may simultaneously pass through the corresponding connecting hole 413 to fix the first valve plate 41 between the upper cover 50 and the housing 30. During actual operation and installation, the lower part of the shell 30 comprising the leather cup 60 is firstly installed, then the second valve plate 43 is clamped on the second step 33, the valve plate spacer 42 is clamped on the third step, then the first valve plate 41 is installed, and finally when the upper cover 50 and the shell 30 are installed, the connecting hole 413 on the first valve plate 41 is penetrated to be fixed, so that the valve plate assembly 40 is more stable and reliable in installation and better in sealing performance. It will be appreciated that in embodiments of the present utility model, the number of bladder chambers 62 within the cup 60 may be designed according to the actual use requirements.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The vacuum water pump comprises a motor, a base, a shell and an upper cover provided with a water inlet and a water outlet, wherein a swinging piece is arranged in the base, a leather cup is arranged in the shell, the motor is arranged below the base, an eccentric piece connected with the swinging piece is arranged on an output shaft of the motor, a connecting pin is arranged at the lower end of the leather cup and connected with the swinging piece, and a valve plate assembly is arranged between the upper cover and the shell;

the valve block assembly comprises a first valve block, a valve block spacer and a second valve block which are sequentially stacked, and the second valve block is covered on the leather cup; the novel leather cup is characterized in that a valve block inlet and a valve block outlet are formed in the first valve block, an inlet through hole and an outlet through hole are formed in the valve block partition, a valve block through hole is formed in the second valve block, a movable baffle is arranged in the valve block through hole, the water inlet, the valve block inlet and the inlet through hole are sequentially communicated to form a water inlet channel, the valve block through hole, the outlet through hole, the valve block outlet and the water outlet are sequentially communicated to form a water outlet channel, the water outlet channel is communicated with an air bag cavity of the leather cup, and the movable baffle can stir to enable the water inlet channel to be separated from or communicated with the air bag cavity.

2. The vacuum water pump of claim 1, wherein the body of the first valve plate and the body of the second valve plate are both planar sheet structures.

3. The vacuum water pump according to claim 2, wherein the housing is provided with a mounting hole, at least two first steps are arranged on the periphery of the upper end face of the housing, and a first clamping position is arranged between two adjacent first steps; the leather cup comprises an air bag cavity and the connecting pins arranged below the air bag cavity, the connecting pins penetrate through the mounting holes and are connected with the swinging piece, an extension piece is arranged at the periphery of the upper end of the air bag cavity, and the extension piece is just clamped on the first clamping position; the height of the first step is equal to the thickness of the extension piece.

4. The vacuum water pump of claim 3, wherein each first step is provided with a second step, the edge of the second valve plate is provided with a second clamping position, and the second clamping position is just clamped on the second step; the number of the second clamping bits is the same as that of the second steps.

5. The vacuum water pump according to claim 4, wherein the height of the second step is greater than the thickness of the second valve plate, and a third clamping position is arranged on the periphery of the lower end surface of the valve plate spacer, and the third clamping position is just clamped on the second step; the number of the third clamping bits is the same as that of the second steps.

6. The vacuum water pump of claim 1, wherein the projected area of the movable baffle is smaller than the projected area of the valve plate through hole, and the movable baffle can be shifted downwards; when the movable baffle plate is shifted downwards, the water inlet channel is communicated with the air bag cavity; when the movable baffle is reset, the water inlet channel is separated from the air bag cavity, and the air bag cavity is kept communicated with the water outlet channel by the part of the valve plate through hole which is not blocked by the movable baffle.

7. The vacuum water pump of claim 6, wherein the valve plate outlet is in the shape of a bar, and the valve plate outlet is offset from the outlet through hole in the valve plate spacer.

8. The vacuum water pump according to claim 1, wherein the cup is provided with three air bag cavities, and the lower end of each air bag cavity is provided with the connecting pin.

9. The vacuum water pump according to any one of claims 1 to 8, wherein the upper cover, the housing and the base are fixedly connected by bolts.

10. The vacuum water pump of claim 9, wherein the first valve plate is provided with a connecting hole, and the bolt passes through the connecting hole to fix the first valve plate between the upper cover and the housing.